| 2024 | January 22 – January 28, 2024 |
| 2025 | January 20 – January 26, 2025 |
| 2026 | January 19 – January 25, 2026 |
| 2027 | January 25 – January 31, 2027 |
| 2028 | January 24 – January 30, 2028 |
| 2029 | January 22 – January 28, 2029 |
| 2030 | January 21 – January 27, 2030 |
| 2031 | January 20 – January 26, 2031 |
| 2032 | January 19 – January 25, 2032 |
Week 4 of 2027 runs from Monday, January 25, 2027 to Sunday, January 31, 2027.
Week 4 of 2027 starts in 187 days, on Monday, January 25, 2027.
It is currently week 30 of 53 in 2026 (today is Wednesday, July 22, 2026).
These are ISO 8601 week numbers (weeks start Monday; week 1 holds the year's first Thursday), the standard in Europe and in Excel's ISOWEEKNUM. The US convention (Excel's WEEKNUM) starts week 1 on January 1 with weeks starting Sunday, so its numbers can be one higher.